{"id":164735,"date":"2024-05-08T15:00:56","date_gmt":"2024-05-08T07:00:56","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/164735.html"},"modified":"2024-05-08T15:01:02","modified_gmt":"2024-05-08T07:01:02","slug":"typescript-%e5%92%8c-javascript-%e4%b9%8b%e9%97%b4%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/164735.html","title":{"rendered":"TypeScript \u548c JavaScript \u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"

\"TypeScript<\/p>\n

TypeScript \u548c JavaScript \u7684\u4e3b\u8981\u533a\u522b\u4f53\u73b0\u5728\uff1a\u7c7b\u578b\u7cfb\u7edf\u3001\u7f16\u8bd1\u8fc7\u7a0b\u3001\u548c\u8bed\u8a00\u7279\u6027<\/strong>\u3002TypeScript \u662f JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u5728 JavaScript \u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u7c7b\u578b\u7cfb\u7edf\u548c\u540e\u7eed\u7684\u6f14\u5316\u7279\u6027\uff0c\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\u3002\u53e6\u5916\uff0cTypeScript \u9700\u8981\u7f16\u8bd1\u6210 JavaScript \u624d\u80fd\u5728\u6d4f\u89c8\u5668\u6216\u8005 Node.js \u4e2d\u8fd0\u884c\uff0c\u800c JavaScript \u5219\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u3002<\/p>\n<\/p>\n

\u8be6\u7ec6\u6765\u8bf4\uff0cTypeScript \u63d0\u4f9b\u4e86\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u8fd9\u610f\u5473\u7740\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u5c31\u80fd\u53d1\u73b0\u6f5c\u5728\u7684\u95ee\u9898\u3002\u9759\u6001\u7c7b\u578b\u68c0\u67e5<\/strong>\u964d\u4f4e\u4e86\u8fd0\u884c\u65f6\u51fa\u73b0\u9519\u8bef\u7684\u6982\u7387\uff0c\u5bf9\u4e8e\u5927\u578b\u9879\u76ee\u548c\u56e2\u961f\u534f\u4f5c\u6765\u8bf4\u5c24\u5176\u91cd\u8981\u3002\u7c7b\u578b\u7cfb\u7edf\u5141\u8bb8\u5f00\u53d1\u8005\u660e\u786e\u5730\u6307\u5b9a\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u800c JavaScript \u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u7c7b\u578b\u68c0\u67e5\u662f\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u7684\uff0c\u8fd9\u5bfc\u81f4\u4e86\u8f83\u9ad8\u7684\u8fd0\u884c\u65f6\u51fa\u9519\u98ce\u9669\u548c\u8c03\u8bd5\u6210\u672c\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7c7b\u578b\u7cfb\u7edf<\/strong><\/h3>\n<\/p>\n

TypeScript \u7684\u7c7b\u578b\u7cfb\u7edf<\/strong>\u662f\u5b83\u4e0e JavaScript \u6700\u663e\u8457\u7684\u533a\u522b\u3002\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4e3a\u53d8\u91cf\u3001\u51fd\u6570\u7b49\u6307\u5b9a\u7c7b\u578b\uff0c\u800c\u8fd9\u5728 JavaScript \u4e2d\u662f\u4e0d\u5fc5\u8981\u4e5f\u4e0d\u53ef\u80fd\u7684\u3002TypeScript \u7684\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u6355\u6349\u9519\u8bef\uff0c\u8fd9\u662f\u4e00\u79cd\u9884\u9632\u6027\u63aa\u65bd\uff0c\u6709\u52a9\u4e8e\u907f\u514d\u8bb8\u591a\u5e38\u89c1\u9519\u8bef\u3002<\/p>\n<\/p>\n

\u53ef\u9009\u9759\u6001\u7c7b\u578b\u548c\u7c7b\u578b\u63a8\u65ad<\/h4>\n<\/p>\n

TypeScript \u4e0d\u4ec5\u5141\u8bb8\u5f00\u53d1\u8005\u663e\u5f0f\u58f0\u660e\u7c7b\u578b\uff0c\u800c\u4e14\u8fd8\u652f\u6301\u7c7b\u578b\u63a8\u65ad\uff0c\u8fd9\u610f\u5473\u7740\u7f16\u8bd1\u5668\u53ef\u4ee5\u81ea\u52a8\u63a8\u65ad\u51fa\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u6b64\u5916\uff0cTypeScript \u7684\u7c7b\u578b\u662f\u53ef\u9009\u7684\uff0c\u4f60\u53ef\u4ee5\u5728\u4efb\u4f55\u65f6\u5019\u51b3\u5b9a\u662f\u5426\u4e3a\u53d8\u91cf\u58f0\u660e\u7c7b\u578b\u3002<\/p>\n<\/p>\n

\u9ad8\u7ea7\u7c7b\u578b\u7279\u6027<\/h4>\n<\/p>\n

TypeScript \u8fd8\u63d0\u4f9b\u4e86\u9ad8\u7ea7\u7c7b\u578b\u7279\u6027\uff0c\u5982\u63a5\u53e3\u3001\u679a\u4e3e\u3001\u6cdb\u578b\u3001\u8054\u5408\u7c7b\u578b\u548c\u4ea4\u53c9\u7c7b\u578b\u7b49\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u5199\u51fa\u66f4\u52a0\u51c6\u786e\u548c\u590d\u6742\u7684\u7c7b\u578b\u58f0\u660e\uff0c\u4ece\u800c\u4e3a\u5927\u578b\u5e94\u7528\u63d0\u4f9b\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7\u548c\u66f4\u5f3a\u7684\u7c7b\u578b\u5b89\u5168\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u7f16\u8bd1\u8fc7\u7a0b<\/strong><\/h3>\n<\/p>\n

TypeScript \u7684\u7f16\u8bd1\u8fc7\u7a0b<\/strong>\u4e5f\u4e0d\u540c\u4e8e JavaScript\u3002\u901a\u8fc7 TypeScript \u7f16\u8bd1\u5668\uff08\u6216\u8f6c\u6362\u5668\u5982 Babel\uff09\u8fdb\u884c\u7684\u7f16\u8bd1\uff0c\u53ef\u4ee5\u5c06 TypeScript \u4ee3\u7801\u8f6c\u6362\u4e3a\u517c\u5bb9\u7684 JavaScript \u4ee3\u7801\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u4e00\u822c\u53d1\u751f\u5728\u4ee3\u7801\u8fd0\u884c\u524d\u7684\u6784\u5efa\u9636\u6bb5\u3002<\/p>\n<\/p>\n

\u8f6c\u6362\u4e3a\u517c\u5bb9\u6027 JavaScript<\/h4>\n<\/p>\n

\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\uff0cTypeScript \u4ee3\u7801\u88ab\u8f6c\u6362\u4e3a ES3\u3001ES5\u3001ES6\uff08\u6216\u66f4\u9ad8\u7248\u672c\uff09\u7684 JavaScript\uff0c\u4ee5\u786e\u4fdd\u517c\u5bb9\u5404\u79cd\u6267\u884c\u73af\u5883\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u76ee\u6807\u73af\u5883\u914d\u7f6e\u7f16\u8bd1\u5668\uff0c\u8f93\u51fa\u76f8\u5e94\u7684 JavaScript \u7248\u672c\u3002<\/p>\n<\/p>\n

\u6e90\u6620\u5c04\u652f\u6301<\/h4>\n<\/p>\n

\u4e3a\u4e86\u4fbf\u4e8e\u8c03\u8bd5\uff0cTypeScript \u652f\u6301\u751f\u6210\u6e90\u6620\u5c04\uff08source maps\uff09\uff0c\u8fd9\u4f7f\u5f97\u5373\u4f7f\u5728\u8fd0\u884c\u7f16\u8bd1\u540e\u7684 JavaScript \u4ee3\u7801\u65f6\uff0c\u4e5f\u80fd\u591f\u8ffd\u8e2a\u5230 TypeScript \u6e90\u4ee3\u7801\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u8bed\u8a00\u7279\u6027<\/strong><\/h3>\n<\/p>\n

TypeScript \u63d0\u4f9b\u7684\u8bed\u8a00\u7279\u6027\u6bd4 JavaScript \u66f4\u4e3a\u4e30\u5bcc\u3002\u5b83\u5305\u62ec ES6 \u53ca\u4e4b\u540e\u7248\u672c\u7684\u6240\u6709\u7279\u6027\uff0c\u5e76\u4e14\u8fd8\u5f15\u5165\u4e86\u8bb8\u591a\u989d\u5916\u7684\u7279\u6027\u548c\u6539\u8fdb\u3002<\/p>\n<\/p>\n

ES6+\u652f\u6301<\/h4>\n<\/p>\n

TypeScript \u652f\u6301 ES6 \u7684\u6240\u6709\u65b0\u7279\u6027\uff0c\u6bd4\u5982\u7bad\u5934\u51fd\u6570\u3001\u6a21\u5757\u7cfb\u7edf\u3001\u89e3\u6784\u8d4b\u503c\u7b49\uff0c\u5e76\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u8001\u7248\u672c\u7684 JavaScript \u73af\u5883\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u7279\u6027\u3002<\/p>\n<\/p>\n

\u65b0\u589e\u7279\u6027<\/h4>\n<\/p>\n

TypeScript \u8fd8\u5f15\u5165\u4e86\u989d\u5916\u7684\u7279\u6027\uff0c\u5982\u679a\u4e3e\uff08Enums\uff09\u3001\u88c5\u9970\u5668\uff08Decorators\uff09\u3001\u8bbf\u95ee\u4fee\u9970\u7b26\uff08\u5982 public\u3001private\uff09\u4ee5\u53ca\u547d\u540d\u7a7a\u95f4\uff08Namespaces\uff09\uff0c\u8fd9\u4e9b\u7279\u6027\u4e0d\u662f JavaScript \u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7ec4\u7ec7\u548c\u7ba1\u7406\u5927\u578b\u4ee3\u7801\u5e93\u3002<\/p>\n<\/p>\n

\u56db\u3001\u751f\u6001\u7cfb\u7edf\u548c\u5de5\u5177\u94fe<\/strong><\/h3>\n<\/p>\n

\u7531\u4e8e TypeScript \u662f JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u7ee7\u627f\u4e86 JavaScript \u7684\u5e9e\u5927\u751f\u6001\u7cfb\u7edf\uff0c\u5e76\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u5de5\u5177\u94fe\u652f\u6301\u3002<\/p>\n<\/p>\n

\u4e30\u5bcc\u7684\u7f16\u8f91\u5668\u652f\u6301<\/h4>\n<\/p>\n

\u5927\u591a\u6570\u73b0\u4ee3\u7f16\u8f91\u5668\u548c IDE \u5bf9 TypeScript \u90fd\u6709\u5f88\u597d\u7684\u652f\u6301\uff0c\u6bd4\u5982\u4ee3\u7801\u81ea\u52a8\u5b8c\u6210\u3001\u63a5\u53e3\u5b9a\u4e49\u8df3\u8f6c\u3001\u91cd\u6784\u5de5\u5177\u7b49\u3002<\/p>\n<\/p>\n

\u793e\u533a\u548c\u7b2c\u4e09\u65b9\u5e93<\/h4>\n<\/p>\n

TypeScript \u793e\u533a\u6d3b\u8dc3\uff0c\u8bb8\u591a\u6d41\u884c\u7684 JavaScript \u5e93\u548c\u6846\u67b6\u90fd\u63d0\u4f9b\u4e86\u5b98\u65b9\u6216\u7b2c\u4e09\u65b9\u7ef4\u62a4\u7684\u7c7b\u578b\u58f0\u660e\u6587\u4ef6\uff08*.d.ts\uff09\uff0c\u65b9\u4fbf\u5728 TypeScript \u4e2d\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u5bf9\u7c7b\u578b\u7cfb\u7edf\u3001\u7f16\u8bd1\u8fc7\u7a0b\u3001\u8bed\u8a00\u7279\u6027\u53ca\u751f\u6001\u7cfb\u7edf\u548c\u5de5\u5177\u94fe\u7684\u8be6\u7ec6\u63cf\u8ff0\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 TypeScript \u548c JavaScript \u5728\u591a\u4e2a\u5c42\u9762\u4e0a\u6709\u7740\u672c\u8d28\u7684\u5dee\u5f02\u3002TypeScript \u63d0\u4f9b\u7684\u7c7b\u578b\u5b89\u5168\u548c\u4e30\u5bcc\u7684\u65b0\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u6784\u5efa\u5927\u578b\u3001\u590d\u6742\u5e94\u7528\u7684\u5f3a\u6709\u529b\u5de5\u5177\uff0c\u800c JavaScript \u4f9d\u65e7\u662f\u4e92\u8054\u7f51\u4e16\u754c\u7684\u57fa\u77f3\uff0c\u4e24\u8005\u5171\u540c\u63a8\u8fdb\u4e86\u73b0\u4ee3 web \u5f00\u53d1\u7684\u8fdb\u6b65\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. TypeScript\u548cJavaScript\u6709\u4ec0\u4e48\u4e0d\u540c\u4e4b\u5904\uff1f<\/strong><\/p>\n

\u867d\u7136TypeScript\u548cJavaScript\u90fd\u88ab\u5e7f\u6cdb\u7528\u4e8e\u7f16\u5199Web\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u4e00\u4e9b\u91cd\u8981\u7684\u533a\u522b\u3002\u9996\u5148\uff0cTypeScript\u662fJavaScript\u7684\u8d85\u96c6\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u652f\u6301JavaScript\u7684\u6240\u6709\u529f\u80fd\uff0c\u5e76\u4e14\u8fd8\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u7279\u6027\u3002\u8fd9\u4e9b\u7279\u6027\u5305\u62ec\u9759\u6001\u7c7b\u578b\u68c0\u67e5\u3001\u7c7b\u3001\u63a5\u53e3\u548c\u6a21\u5757\u7b49\u3002<\/p>\n

2. \u4e3a\u4ec0\u4e48\u8981\u9009\u62e9TypeScript\uff0c\u800c\u4e0d\u662fJavaScript\uff1f<\/strong><\/p>\n

\u6709\u51e0\u4e2a\u539f\u56e0\u53ef\u4ee5\u9009\u62e9TypeScript\u800c\u4e0d\u662fJavaScript\u3002\u9996\u5148\uff0cTypeScript\u5728\u7f16\u7801\u9636\u6bb5\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u9519\u8bef\u68c0\u67e5\u548c\u81ea\u52a8\u5b8c\u6210\u529f\u80fd\u3002\u5b83\u7684\u9759\u6001\u7c7b\u578b\u7cfb\u7edf\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u6355\u83b7\u6f5c\u5728\u7684\u9519\u8bef\uff0c\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u6b64\u5916\uff0cTypeScript\u8fd8\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u4ee3\u7801\u91cd\u6784\u548c\u91cd\u7528\u6027\u7684\u652f\u6301\u3002<\/p>\n

3. \u6211\u662f\u5426\u53ef\u4ee5\u5c06JavaScript\u9879\u76ee\u8fc1\u79fb\u5230TypeScript\uff1f<\/strong><\/p>\n

\u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684JavaScript\u9879\u76ee\u8fc1\u79fb\u5230TypeScript\u3002TypeScript\u517c\u5bb9JavaScript\u7684\u8bed\u6cd5\u548c\u529f\u80fd\uff0c\u56e0\u6b64\u4f60\u53ef\u4ee5\u9010\u6b65\u5c06JavaScript\u6587\u4ef6\u8f6c\u6362\u4e3aTypeScript\u6587\u4ef6\uff0c\u5e76\u4e00\u70b9\u70b9\u5730\u5f15\u5165\u7c7b\u578b\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u8ba9\u4f60\u5728\u9879\u76ee\u4e2d\u9010\u6e10\u4eab\u53d7\u5230TypeScript\u7684\u597d\u5904\uff0c\u540c\u65f6\u4fdd\u7559\u5df2\u6709\u7684JavaScript\u4ee3\u7801\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"TypeScript \u548c JavaScript \u7684\u4e3b\u8981\u533a\u522b\u4f53\u73b0\u5728\uff1a\u7c7b\u578b\u7cfb\u7edf\u3001\u7f16\u8bd1\u8fc7\u7a0b\u3001\u548c\u8bed\u8a00\u7279\u6027\u3002TypeSc […]","protected":false},"author":3,"featured_media":164746,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/164735"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=164735"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/164735\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/164746"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=164735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=164735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=164735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}